Traction board



FIG. 1 is a front, right, bottom perspective view of a traction board showing our new design;

FIG. 2 is a rear, left, top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of portion 9 in FIG. 1 ;

FIG. 10 is an enlarged view of portion 10 in FIG. 2 ; and,

FIG. 11 is an enlarged view of portion 11 in FIG. 7 .

The broken lines illustrate portions of the traction board which form no part of the claimed design. The broken lines depicting lead lines and the boundaries of the enlargement areas form no part of the claimed design. 

CLAIM The ornamental design for a traction board, as shown and described. 